git.sur5r.net Git - openldap/blob - servers/slapd/controls.c

   1 /* $OpenLDAP$ */
   2 /*
   3  * Copyright 1999-2003 The OpenLDAP Foundation.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms are permitted only
   7  * as authorized by the OpenLDAP Public License.  A copy of this
   8  * license is available at http://www.OpenLDAP.org/license.html or
   9  * in file LICENSE in the top-level directory of the distribution.
  10  */
  11 #include "portable.h"
  12
  13 #include <stdio.h>
  14
  15 #include <ac/string.h>
  16 #include <ac/socket.h>
  17
  18 #include "slap.h"
  19
  20 #include "../../libraries/liblber/lber-int.h"
  21
  22 static SLAP_CTRL_PARSE_FN parseProxyAuthz;
  23 static SLAP_CTRL_PARSE_FN parseManageDSAit;
  24 static SLAP_CTRL_PARSE_FN parseNoOp;
  25 static SLAP_CTRL_PARSE_FN parsePagedResults;
  26 static SLAP_CTRL_PARSE_FN parseValuesReturnFilter;
  27 static SLAP_CTRL_PARSE_FN parsePermissiveModify;
  28 static SLAP_CTRL_PARSE_FN parseDomainScope;
  29
  30 #ifdef LDAP_CONTROL_SUBENTRIES
  31 static SLAP_CTRL_PARSE_FN parseSubentries;
  32 #endif
  33 #ifdef LDAP_CLIENT_UPDATE
  34 static SLAP_CTRL_PARSE_FN parseClientUpdate;
  35 #endif
  36 #ifdef LDAP_SYNC
  37 static SLAP_CTRL_PARSE_FN parseLdupSync;
  38 #endif
  39
  40 #undef sc_mask /* avoid conflict with Irix 6.5 <sys/signal.h> */
  41
  42 static char *proxy_authz_extops[] = {
  43         LDAP_EXOP_MODIFY_PASSWD,
  44         LDAP_EXOP_X_WHO_AM_I,
  45         NULL
  46 };
  47
  48 struct slap_control {
  49         /*
  50          * Control OID
  51          */
  52         char *sc_oid;
  53
  54         /*
  55          * Operations supported by control
  56          */
  57         slap_mask_t sc_mask;
  58
  59         /*
  60          * Extended operations supported by control
  61          */
  62         char **sc_extendedops;
  63
  64         /*
  65          * Control parsing callback
  66          */
  67         SLAP_CTRL_PARSE_FN *sc_parse;
  68
  69         LDAP_SLIST_ENTRY(slap_control) sc_next;
  70 };
  71
  72 static LDAP_SLIST_HEAD(ControlsList, slap_control) controls_list
  73         = LDAP_SLIST_HEAD_INITIALIZER(&controls_list);
  74
  75 /*
  76  * all known request control OIDs should be added to this list
  77  */
  78 char **slap_known_controls = NULL;
  79
  80 static struct slap_control control_defs[] = {
  81         { LDAP_CONTROL_VALUESRETURNFILTER,
  82                 SLAP_CTRL_SEARCH, NULL,
  83                 parseValuesReturnFilter, LDAP_SLIST_ENTRY_INITIALIZER(next) },
  84 #ifdef LDAP_CONTROL_PAGEDRESULTS
  85         { LDAP_CONTROL_PAGEDRESULTS,
  86                 SLAP_CTRL_SEARCH, NULL,
  87                 parsePagedResults, LDAP_SLIST_ENTRY_INITIALIZER(next) },
  88 #endif
  89 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
  90         { LDAP_CONTROL_X_DOMAIN_SCOPE,
  91                 SLAP_CTRL_FRONTEND|SLAP_CTRL_SEARCH, NULL,
  92                 parseDomainScope, LDAP_SLIST_ENTRY_INITIALIZER(next) },
  93 #endif
  94 #ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
  95         { LDAP_CONTROL_X_PERMISSIVE_MODIFY,
  96                 SLAP_CTRL_MODIFY, NULL,
  97                 parsePermissiveModify, LDAP_SLIST_ENTRY_INITIALIZER(next) },
  98 #endif
  99 #ifdef LDAP_CONTROL_SUBENTRIES
 100         { LDAP_CONTROL_SUBENTRIES,
 101                 SLAP_CTRL_SEARCH, NULL,
 102                 parseSubentries, LDAP_SLIST_ENTRY_INITIALIZER(next) },
 103 #endif
 104         { LDAP_CONTROL_NOOP,
 105                 SLAP_CTRL_ACCESS, NULL,
 106                 parseNoOp, LDAP_SLIST_ENTRY_INITIALIZER(next) },
 107 #ifdef LDAP_CLIENT_UPDATE
 108         { LDAP_CONTROL_CLIENT_UPDATE,
 109                 SLAP_CTRL_HIDE|SLAP_CTRL_SEARCH, NULL,
 110                 parseClientUpdate, LDAP_SLIST_ENTRY_INITIALIZER(next) },
 111 #endif
 112 #ifdef LDAP_SYNC
 113         { LDAP_CONTROL_SYNC,
 114                 SLAP_CTRL_HIDE|SLAP_CTRL_SEARCH, NULL,
 115                 parseLdupSync, LDAP_SLIST_ENTRY_INITIALIZER(next) },
 116 #endif
 117         { LDAP_CONTROL_MANAGEDSAIT,
 118                 SLAP_CTRL_ACCESS, NULL,
 119                 parseManageDSAit, LDAP_SLIST_ENTRY_INITIALIZER(next) },
 120         { LDAP_CONTROL_PROXY_AUTHZ,
 121                 SLAP_CTRL_FRONTEND|SLAP_CTRL_ACCESS, proxy_authz_extops,
 122                 parseProxyAuthz, LDAP_SLIST_ENTRY_INITIALIZER(next) },
 123         { NULL, 0, NULL, 0, LDAP_SLIST_ENTRY_INITIALIZER(next) }
 124 };
 125
 126 /*
 127  * Register a supported control.
 128  *
 129  * This can be called by an OpenLDAP plugin or, indirectly, by a
 130  * SLAPI plugin calling slapi_register_supported_control().
 131  */
 132 int
 133 register_supported_control(const char *controloid,
 134         slap_mask_t controlmask,
 135         char **controlexops,
 136         SLAP_CTRL_PARSE_FN *controlparsefn)
 137 {
 138         struct slap_control *sc;
 139         int i;
 140
 141         if ( controloid == NULL ) {
 142                 return LDAP_PARAM_ERROR;
 143         }
 144
 145         sc = (struct slap_control *)SLAP_MALLOC( sizeof( *sc ) );
 146         if ( sc == NULL ) {
 147                 return LDAP_NO_MEMORY;
 148         }
 149         sc->sc_oid = ch_strdup( controloid );
 150         sc->sc_mask = controlmask;
 151         if ( controlexops != NULL ) {
 152                 sc->sc_extendedops = ldap_charray_dup( controlexops );
 153                 if ( sc->sc_extendedops == NULL ) {
 154                         ch_free( sc );
 155                         return LDAP_NO_MEMORY;
 156                 }
 157         } else {
 158                 sc->sc_extendedops = NULL;
 159         }
 160         sc->sc_parse = controlparsefn;
 161
 162         /* Update slap_known_controls, too. */
 163         if ( slap_known_controls == NULL ) {
 164                 slap_known_controls = (char **)SLAP_MALLOC( 2 * sizeof(char *) );
 165                 if ( slap_known_controls == NULL ) {
 166                         if ( sc->sc_extendedops != NULL ) ldap_charray_free( sc->sc_extendedops );
 167                         ch_free( sc );
 168                         return LDAP_NO_MEMORY;
 169                 }
 170                 slap_known_controls[0] = ch_strdup( sc->sc_oid );
 171                 slap_known_controls[1] = NULL;
 172         } else {
 173                 for ( i = 0; slap_known_controls[i] != NULL; i++ )
 174                         ;
 175                 slap_known_controls = (char **)SLAP_REALLOC( slap_known_controls, (i + 2) * sizeof(char *) );
 176                 if ( slap_known_controls == NULL ) {
 177                         if ( sc->sc_extendedops != NULL ) ldap_charray_free( sc->sc_extendedops );
 178                         ch_free( sc );
 179                         return LDAP_NO_MEMORY;
 180                 }
 181                 slap_known_controls[i++] = ch_strdup( sc->sc_oid );
 182                 slap_known_controls[i] = NULL;
 183         }
 184
 185         LDAP_SLIST_NEXT( sc, sc_next ) = NULL;
 186         LDAP_SLIST_INSERT_HEAD( &controls_list, sc, sc_next );
 187
 188         return LDAP_SUCCESS;
 189 }
 190
 191 /*
 192  * One-time initialization of internal controls.
 193  */
 194 int
 195 slap_controls_init( void )
 196 {
 197         int i, rc;
 198         struct slap_control *sc;
 199
 200         rc = LDAP_SUCCESS;
 201
 202         for ( i = 0; control_defs[i].sc_oid != NULL; i++ ) {
 203                 rc = register_supported_control( control_defs[i].sc_oid,
 204                         control_defs[i].sc_mask, control_defs[i].sc_extendedops,
 205                         control_defs[i].sc_parse );
 206                 if ( rc != LDAP_SUCCESS )
 207                         break;
 208         }
 209
 210         return rc;
 211 }
 212
 213 /*
 214  * Free memory associated with list of supported controls.
 215  */
 216 void
 217 controls_destroy( void )
 218 {
 219         struct slap_control *sc;
 220
 221         while ( !LDAP_SLIST_EMPTY(&controls_list) ) {
 222                 sc = LDAP_SLIST_FIRST(&controls_list);
 223                 LDAP_SLIST_REMOVE_HEAD(&controls_list, sc_next);
 224
 225                 ch_free( sc->sc_oid );
 226                 if ( sc->sc_extendedops != NULL ) {
 227                         ldap_charray_free( sc->sc_extendedops );
 228                 }
 229                 ch_free( sc );
 230         }
 231         ldap_charray_free( slap_known_controls );
 232 }
 233
 234 /*
 235  * Format the supportedControl attribute of the root DSE,
 236  * detailing which controls are supported by the directory
 237  * server.
 238  */
 239 int
 240 controls_root_dse_info( Entry *e )
 241 {
 242         AttributeDescription *ad_supportedControl
 243                 = slap_schema.si_ad_supportedControl;
 244         struct berval vals[2];
 245         struct slap_control *sc;
 246
 247         vals[1].bv_val = NULL;
 248         vals[1].bv_len = 0;
 249
 250         LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
 251                 if( sc->sc_mask & SLAP_CTRL_HIDE ) continue;
 252
 253                 vals[0].bv_val = sc->sc_oid;
 254                 vals[0].bv_len = strlen( sc->sc_oid );
 255
 256                 if ( attr_merge( e, ad_supportedControl, vals, NULL ) ) {
 257                         return -1;
 258                 }
 259         }
 260
 261         return 0;
 262 }
 263
 264 /*
 265  * Return a list of OIDs and operation masks for supported
 266  * controls. Used by SLAPI.
 267  */
 268 int
 269 get_supported_controls(char ***ctrloidsp,
 270         slap_mask_t **ctrlmasks)
 271 {
 272         int i, n;
 273         char **oids;
 274         slap_mask_t *masks;
 275         int rc;
 276         struct slap_control *sc;
 277
 278         n = 0;
 279
 280         LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
 281                 n++;
 282         }
 283
 284         if ( n == 0 ) {
 285                 *ctrloidsp = NULL;
 286                 *ctrlmasks = NULL;
 287                 return LDAP_SUCCESS;
 288         }
 289
 290         oids = (char **)SLAP_MALLOC( (n + 1) * sizeof(char *) );
 291         if ( oids == NULL ) {
 292                 return LDAP_NO_MEMORY;
 293         }
 294         masks = (slap_mask_t *)SLAP_MALLOC( (n + 1) * sizeof(slap_mask_t) );
 295         if  ( masks == NULL ) {
 296                 ch_free( oids );
 297                 return LDAP_NO_MEMORY;
 298         }
 299
 300         n = 0;
 301
 302         LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
 303                 oids[n] = ch_strdup( sc->sc_oid );
 304                 masks[n] = sc->sc_mask;
 305                 n++;
 306         }
 307         oids[n] = NULL;
 308         masks[n] = 0;
 309
 310         *ctrloidsp = oids;
 311         *ctrlmasks = masks;
 312
 313         return LDAP_SUCCESS;
 314 }
 315
 316 /*
 317  * Find a control given its OID.
 318  */
 319 static struct slap_control *
 320 find_ctrl( const char *oid )
 321 {
 322         struct slap_control *sc;
 323
 324         LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
 325                 if ( strcmp( oid, sc->sc_oid ) == 0 ) {
 326                         return sc;
 327                 }
 328         }
 329
 330         return NULL;
 331 }
 332
 333 void slap_free_ctrls(
 334         Operation *op,
 335         LDAPControl **ctrls
 336 )
 337 {
 338         int i;
 339
 340         for (i=0; ctrls[i]; i++) {
 341                 op->o_tmpfree(ctrls[i], op->o_tmpmemctx );
 342         }
 343         op->o_tmpfree( ctrls, op->o_tmpmemctx );
 344 }
 345
 346 int get_ctrls(
 347         Operation *op,
 348         SlapReply *rs,
 349         int sendres )
 350 {
 351         int nctrls = 0;
 352         ber_tag_t tag;
 353         ber_len_t len;
 354         char *opaque;
 355         BerElement *ber = op->o_ber;
 356         struct slap_control *sc;
 357         struct berval bv;
 358
 359         len = ber_pvt_ber_remaining(ber);
 360
 361         if( len == 0) {
 362                 /* no controls */
 363                 rs->sr_err = LDAP_SUCCESS;
 364                 return rs->sr_err;
 365         }
 366
 367         if(( tag = ber_peek_tag( ber, &len )) != LDAP_TAG_CONTROLS ) {
 368                 if( tag == LBER_ERROR ) {
 369                         rs->sr_err = SLAPD_DISCONNECT;
 370                         rs->sr_text = "unexpected data in PDU";
 371                 }
 372
 373                 goto return_results;
 374         }
 375
 376 #ifdef NEW_LOGGING
 377         LDAP_LOG( OPERATION, ENTRY,
 378                 "get_ctrls: conn %lu\n", op->o_connid, 0, 0 );
 379 #else
 380         Debug( LDAP_DEBUG_TRACE,
 381                 "=> get_ctrls\n", 0, 0, 0 );
 382 #endif
 383
 384         if( op->o_protocol < LDAP_VERSION3 ) {
 385                 rs->sr_err = SLAPD_DISCONNECT;
 386                 rs->sr_text = "controls require LDAPv3";
 387                 goto return_results;
 388         }
 389
 390         /* one for first control, one for termination */
 391         op->o_ctrls = op->o_tmpalloc( 2 * sizeof(LDAPControl *), op->o_tmpmemctx );
 392
 393 #if 0
 394         if( op->ctrls == NULL ) {
 395                 rs->sr_err = LDAP_NO_MEMORY;
 396                 rs->sr_text = "no memory";
 397                 goto return_results;
 398         }
 399 #endif
 400
 401         op->o_ctrls[nctrls] = NULL;
 402
 403         /* step through each element */
 404         for( tag = ber_first_element( ber, &len, &opaque );
 405                 tag != LBER_ERROR;
 406                 tag = ber_next_element( ber, &len, opaque ) )
 407         {
 408                 LDAPControl *c;
 409                 LDAPControl **tctrls;
 410
 411                 c = op->o_tmpalloc( sizeof(LDAPControl), op->o_tmpmemctx );
 412                 memset(c, 0, sizeof(LDAPControl));
 413
 414                 /* allocate pointer space for current controls (nctrls)
 415                  * + this control + extra NULL
 416                  */
 417                 tctrls = op->o_tmprealloc( op->o_ctrls,
 418                         (nctrls+2) * sizeof(LDAPControl *), op->o_tmpmemctx );
 419
 420 #if 0
 421                 if( tctrls == NULL ) {
 422                         ch_free( c );
 423                         ldap_controls_free(op->o_ctrls);
 424                         op->o_ctrls = NULL;
 425
 426                         rs->sr_err = LDAP_NO_MEMORY;
 427                         rs->sr_text = "no memory";
 428                         goto return_results;
 429                 }
 430 #endif
 431                 op->o_ctrls = tctrls;
 432
 433                 op->o_ctrls[nctrls++] = c;
 434                 op->o_ctrls[nctrls] = NULL;
 435
 436                 tag = ber_scanf( ber, "{m" /*}*/, &bv );
 437                 c->ldctl_oid = bv.bv_val;
 438
 439                 if( tag == LBER_ERROR ) {
 440 #ifdef NEW_LOGGING
 441                         LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu get OID failed.\n",
 442                                 op->o_connid, 0, 0 );
 443 #else
 444                         Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get oid failed.\n",
 445                                 0, 0, 0 );
 446 #endif
 447
 448                         slap_free_ctrls( op, op->o_ctrls );
 449                         op->o_ctrls = NULL;
 450                         rs->sr_err = SLAPD_DISCONNECT;
 451                         rs->sr_text = "decoding controls error";
 452                         goto return_results;
 453
 454                 } else if( c->ldctl_oid == NULL ) {
 455 #ifdef NEW_LOGGING
 456                         LDAP_LOG( OPERATION, INFO,
 457                                 "get_ctrls: conn %lu got emtpy OID.\n",
 458                                 op->o_connid, 0, 0 );
 459 #else
 460                         Debug( LDAP_DEBUG_TRACE,
 461                                 "get_ctrls: conn %lu got emtpy OID.\n",
 462                                 op->o_connid, 0, 0 );
 463 #endif
 464
 465                         slap_free_ctrls( op, op->o_ctrls );
 466                         op->o_ctrls = NULL;
 467                         rs->sr_err = LDAP_PROTOCOL_ERROR;
 468                         rs->sr_text = "OID field is empty";
 469                         goto return_results;
 470                 }
 471
 472                 tag = ber_peek_tag( ber, &len );
 473
 474                 if( tag == LBER_BOOLEAN ) {
 475                         ber_int_t crit;
 476                         tag = ber_scanf( ber, "b", &crit );
 477
 478                         if( tag == LBER_ERROR ) {
 479 #ifdef NEW_LOGGING
 480                                 LDAP_LOG( OPERATION, INFO,
 481                                         "get_ctrls: conn %lu get crit failed.\n",
 482                                         op->o_connid, 0, 0 );
 483 #else
 484                                 Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get crit failed.\n",
 485                                         0, 0, 0 );
 486 #endif
 487                                 slap_free_ctrls( op, op->o_ctrls );
 488                                 op->o_ctrls = NULL;
 489                                 rs->sr_err = SLAPD_DISCONNECT;
 490                                 rs->sr_text = "decoding controls error";
 491                                 goto return_results;
 492                         }
 493
 494                         c->ldctl_iscritical = (crit != 0);
 495                         tag = ber_peek_tag( ber, &len );
 496                 }
 497
 498                 if( tag == LBER_OCTETSTRING ) {
 499                         tag = ber_scanf( ber, "m", &c->ldctl_value );
 500
 501                         if( tag == LBER_ERROR ) {
 502 #ifdef NEW_LOGGING
 503                                 LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu: "
 504                                         "%s (%scritical): get value failed.\n",
 505                                         op->o_connid, c->ldctl_oid,
 506                                         c->ldctl_iscritical ? "" : "non" );
 507 #else
 508                                 Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: conn %lu: "
 509                                         "%s (%scritical): get value failed.\n",
 510                                         op->o_connid, c->ldctl_oid,
 511                                         c->ldctl_iscritical ? "" : "non" );
 512 #endif
 513                                 slap_free_ctrls( op, op->o_ctrls );
 514                                 op->o_ctrls = NULL;
 515                                 rs->sr_err = SLAPD_DISCONNECT;
 516                                 rs->sr_text = "decoding controls error";
 517                                 goto return_results;
 518                         }
 519                 }
 520
 521 #ifdef NEW_LOGGING
 522                 LDAP_LOG( OPERATION, INFO,
 523                         "get_ctrls: conn %lu oid=\"%s\" (%scritical)\n",
 524                         op->o_connid, c->ldctl_oid, c->ldctl_iscritical ? "" : "non" );
 525 #else
 526                 Debug( LDAP_DEBUG_TRACE,
 527                         "=> get_ctrls: oid=\"%s\" (%scritical)\n",
 528                         c->ldctl_oid, c->ldctl_iscritical ? "" : "non", 0 );
 529 #endif
 530
 531                 sc = find_ctrl( c->ldctl_oid );
 532                 if( sc != NULL ) {
 533                         /* recognized control */
 534                         slap_mask_t tagmask;
 535                         switch( op->o_tag ) {
 536                         case LDAP_REQ_ADD:
 537                                 tagmask = SLAP_CTRL_ADD;
 538                                 break;
 539                         case LDAP_REQ_BIND:
 540                                 tagmask = SLAP_CTRL_BIND;
 541                                 break;
 542                         case LDAP_REQ_COMPARE:
 543                                 tagmask = SLAP_CTRL_COMPARE;
 544                                 break;
 545                         case LDAP_REQ_DELETE:
 546                                 tagmask = SLAP_CTRL_DELETE;
 547                                 break;
 548                         case LDAP_REQ_MODIFY:
 549                                 tagmask = SLAP_CTRL_MODIFY;
 550                                 break;
 551                         case LDAP_REQ_RENAME:
 552                                 tagmask = SLAP_CTRL_RENAME;
 553                                 break;
 554                         case LDAP_REQ_SEARCH:
 555                                 tagmask = SLAP_CTRL_SEARCH;
 556                                 break;
 557                         case LDAP_REQ_UNBIND:
 558                                 tagmask = SLAP_CTRL_UNBIND;
 559                                 break;
 560                         case LDAP_REQ_ABANDON:
 561                                 tagmask = SLAP_CTRL_ABANDON;
 562                                 break;
 563                         case LDAP_REQ_EXTENDED:
 564                                 tagmask=~0L;
 565                                 assert( op->ore_reqoid.bv_val != NULL );
 566                                 if( sc->sc_extendedops != NULL ) {
 567                                         int i;
 568                                         for( i=0; sc->sc_extendedops[i] != NULL; i++ ) {
 569                                                 if( strcmp( op->ore_reqoid.bv_val, sc->sc_extendedops[i] )
 570                                                         == 0 )
 571                                                 {
 572                                                         tagmask=0L;
 573                                                         break;
 574                                                 }
 575                                         }
 576                                 }
 577                                 break;
 578                         default:
 579                                 rs->sr_err = LDAP_OTHER;
 580                                 rs->sr_text = "controls internal error";
 581                                 goto return_results;
 582                         }
 583
 584                         if (( sc->sc_mask & tagmask ) == tagmask ) {
 585                                 /* available extension */
 586
 587                                 if( !sc->sc_parse ) {
 588                                         rs->sr_err = LDAP_OTHER;
 589                                         rs->sr_text = "not yet implemented";
 590                                         goto return_results;
 591                                 }
 592
 593                                 rs->sr_err = sc->sc_parse( op, rs, c );
 594
 595                                 if( rs->sr_err != LDAP_SUCCESS ) goto return_results;
 596
 597                                 if ( sc->sc_mask & SLAP_CTRL_FRONTEND ) {
 598                                         /* kludge to disable backend_control() check */
 599                                         c->ldctl_iscritical = 0;
 600
 601                                 } else if ( tagmask == SLAP_CTRL_SEARCH &&
 602                                         sc->sc_mask & SLAP_CTRL_FRONTEND_SEARCH )
 603                                 {
 604                                         /* kludge to disable backend_control() check */
 605                                         c->ldctl_iscritical = 0;
 606                                 }
 607
 608                         } else if( c->ldctl_iscritical ) {
 609                                 /* unavailable CRITICAL control */
 610                                 rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
 611                                 rs->sr_text = "critical extension is unavailable";
 612                                 goto return_results;
 613                         }
 614
 615                 } else if( c->ldctl_iscritical ) {
 616                         /* unrecognized CRITICAL control */
 617                         rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
 618                         rs->sr_text = "critical extension is not recognized";
 619                         goto return_results;
 620                 }
 621         }
 622
 623 return_results:
 624 #ifdef NEW_LOGGING
 625         LDAP_LOG( OPERATION, RESULTS,
 626                 "get_ctrls: n=%d rc=%d err=\"%s\"\n",
 627                 nctrls, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 628 #else
 629         Debug( LDAP_DEBUG_TRACE,
 630                 "<= get_ctrls: n=%d rc=%d err=\"%s\"\n",
 631                 nctrls, rs->sr_err, rs->sr_text ? rs->sr_text : "");
 632 #endif
 633
 634         if( sendres && rs->sr_err != LDAP_SUCCESS ) {
 635                 if( rs->sr_err == SLAPD_DISCONNECT ) {
 636                         rs->sr_err = LDAP_PROTOCOL_ERROR;
 637                         send_ldap_disconnect( op, rs );
 638                         rs->sr_err = SLAPD_DISCONNECT;
 639                 } else {
 640                         send_ldap_result( op, rs );
 641                 }
 642         }
 643
 644         return rs->sr_err;
 645 }
 646
 647 static int parseManageDSAit (
 648         Operation *op,
 649         SlapReply *rs,
 650         LDAPControl *ctrl )
 651 {
 652         if ( op->o_managedsait != SLAP_NO_CONTROL ) {
 653                 rs->sr_text = "manageDSAit control specified multiple times";
 654                 return LDAP_PROTOCOL_ERROR;
 655         }
 656
 657         if ( ctrl->ldctl_value.bv_len ) {
 658                 rs->sr_text = "manageDSAit control value not empty";
 659                 return LDAP_PROTOCOL_ERROR;
 660         }
 661
 662         op->o_managedsait = ctrl->ldctl_iscritical
 663                 ? SLAP_CRITICAL_CONTROL
 664                 : SLAP_NONCRITICAL_CONTROL;
 665
 666         return LDAP_SUCCESS;
 667 }
 668
 669 static int parseProxyAuthz (
 670         Operation *op,
 671         SlapReply *rs,
 672         LDAPControl *ctrl )
 673 {
 674         int rc;
 675         struct berval dn = { 0, NULL };
 676
 677         if ( op->o_proxy_authz != SLAP_NO_CONTROL ) {
 678                 rs->sr_text = "proxy authorization control specified multiple times";
 679                 return LDAP_PROTOCOL_ERROR;
 680         }
 681
 682         op->o_proxy_authz = ctrl->ldctl_iscritical
 683                 ? SLAP_CRITICAL_CONTROL
 684                 : SLAP_NONCRITICAL_CONTROL;
 685
 686 #ifdef NEW_LOGGING
 687         LDAP_LOG( OPERATION, ARGS,
 688                 "parseProxyAuthz: conn %lu authzid=\"%s\"\n",
 689                 op->o_connid,
 690                 ctrl->ldctl_value.bv_len ?  ctrl->ldctl_value.bv_val : "anonymous",
 691                 0 );
 692 #else
 693         Debug( LDAP_DEBUG_ARGS,
 694                 "parseProxyAuthz: conn %lu authzid=\"%s\"\n",
 695                 op->o_connid,
 696                 ctrl->ldctl_value.bv_len ?  ctrl->ldctl_value.bv_val : "anonymous",
 697                 0 );
 698 #endif
 699
 700         if( ctrl->ldctl_value.bv_len == 0 ) {
 701 #ifdef NEW_LOGGING
 702                 LDAP_LOG( OPERATION, RESULTS,
 703                         "parseProxyAuthz: conn=%lu anonymous\n",
 704                         op->o_connid, 0, 0 );
 705 #else
 706                 Debug( LDAP_DEBUG_TRACE,
 707                         "parseProxyAuthz: conn=%lu anonymous\n",
 708                         op->o_connid, 0, 0 );
 709 #endif
 710
 711                 /* anonymous */
 712                 free( op->o_dn.bv_val );
 713                 op->o_dn.bv_len = 0;
 714                 op->o_dn.bv_val = ch_strdup( "" );
 715
 716                 free( op->o_ndn.bv_val );
 717                 op->o_ndn.bv_len = 0;
 718                 op->o_ndn.bv_val = ch_strdup( "" );
 719
 720                 return LDAP_SUCCESS;
 721         }
 722
 723         rc = slap_sasl_getdn( op->o_conn, op,
 724                 ctrl->ldctl_value.bv_val, ctrl->ldctl_value.bv_len,
 725                 NULL, &dn, SLAP_GETDN_AUTHZID );
 726
 727         if( rc != LDAP_SUCCESS || !dn.bv_len ) {
 728                 if ( dn.bv_val ) {
 729                         ch_free( dn.bv_val );
 730                 }
 731                 rs->sr_text = "authzId mapping failed";
 732                 return LDAP_PROXY_AUTHZ_FAILURE;
 733         }
 734
 735 #ifdef NEW_LOGGING
 736         LDAP_LOG( OPERATION, RESULTS,
 737                 "parseProxyAuthz: conn=%lu \"%s\"\n",
 738                 op->o_connid,
 739                 dn.bv_len ? dn.bv_val : "(NULL)", 0 );
 740 #else
 741         Debug( LDAP_DEBUG_TRACE,
 742                 "parseProxyAuthz: conn=%lu \"%s\"\n",
 743                 op->o_connid,
 744                 dn.bv_len ? dn.bv_val : "(NULL)", 0 );
 745 #endif
 746
 747         rc = slap_sasl_authorized( op, &op->o_ndn, &dn );
 748
 749         if( rc ) {
 750                 ch_free( dn.bv_val );
 751                 rs->sr_text = "not authorized to assume identity";
 752                 return LDAP_PROXY_AUTHZ_FAILURE;
 753         }
 754
 755         ch_free( op->o_dn.bv_val );
 756         ch_free( op->o_ndn.bv_val );
 757
 758         op->o_dn.bv_val = NULL;
 759         op->o_ndn = dn;
 760
 761         /*
 762          * NOTE: since slap_sasl_getdn() returns a normalized dn,
 763          * from now on op->o_dn is normalized
 764          */
 765         ber_dupbv( &op->o_dn, &dn );
 766
 767         return LDAP_SUCCESS;
 768 }
 769
 770 static int parseNoOp (
 771         Operation *op,
 772         SlapReply *rs,
 773         LDAPControl *ctrl )
 774 {
 775         if ( op->o_noop != SLAP_NO_CONTROL ) {
 776                 rs->sr_text = "noop control specified multiple times";
 777                 return LDAP_PROTOCOL_ERROR;
 778         }
 779
 780         if ( ctrl->ldctl_value.bv_len ) {
 781                 rs->sr_text = "noop control value not empty";
 782                 return LDAP_PROTOCOL_ERROR;
 783         }
 784
 785         op->o_noop = ctrl->ldctl_iscritical
 786                 ? SLAP_CRITICAL_CONTROL
 787                 : SLAP_NONCRITICAL_CONTROL;
 788
 789         return LDAP_SUCCESS;
 790 }
 791
 792 #ifdef LDAP_CONTROL_PAGEDRESULTS
 793 static int parsePagedResults (
 794         Operation *op,
 795         SlapReply *rs,
 796         LDAPControl *ctrl )
 797 {
 798         ber_tag_t tag;
 799         ber_int_t size;
 800         BerElement *ber;
 801         struct berval cookie = { 0, NULL };
 802
 803         if ( op->o_pagedresults != SLAP_NO_CONTROL ) {
 804                 rs->sr_text = "paged results control specified multiple times";
 805                 return LDAP_PROTOCOL_ERROR;
 806         }
 807
 808         if ( ctrl->ldctl_value.bv_len == 0 ) {
 809                 rs->sr_text = "paged results control value is empty (or absent)";
 810                 return LDAP_PROTOCOL_ERROR;
 811         }
 812
 813         /* Parse the control value
 814          *      realSearchControlValue ::= SEQUENCE {
 815          *              size    INTEGER (0..maxInt),
 816          *                              -- requested page size from client
 817          *                              -- result set size estimate from server
 818          *              cookie  OCTET STRING
 819          * }
 820          */
 821         ber = ber_init( &ctrl->ldctl_value );
 822         if( ber == NULL ) {
 823                 rs->sr_text = "internal error";
 824                 return LDAP_OTHER;
 825         }
 826
 827         tag = ber_scanf( ber, "{im}", &size, &cookie );
 828         (void) ber_free( ber, 1 );
 829
 830         if( tag == LBER_ERROR ) {
 831                 rs->sr_text = "paged results control could not be decoded";
 832                 return LDAP_PROTOCOL_ERROR;
 833         }
 834
 835         if( size < 0 ) {
 836                 rs->sr_text = "paged results control size invalid";
 837                 return LDAP_PROTOCOL_ERROR;
 838         }
 839
 840         if( cookie.bv_len ) {
 841                 PagedResultsCookie reqcookie;
 842                 if( cookie.bv_len != sizeof( reqcookie ) ) {
 843                         /* bad cookie */
 844                         rs->sr_text = "paged results cookie is invalid";
 845                         return LDAP_PROTOCOL_ERROR;
 846                 }
 847
 848                 AC_MEMCPY( &reqcookie, cookie.bv_val, sizeof( reqcookie ));
 849
 850                 if( reqcookie > op->o_pagedresults_state.ps_cookie ) {
 851                         /* bad cookie */
 852                         rs->sr_text = "paged results cookie is invalid";
 853                         return LDAP_PROTOCOL_ERROR;
 854
 855                 } else if( reqcookie < op->o_pagedresults_state.ps_cookie ) {
 856                         rs->sr_text = "paged results cookie is invalid or old";
 857                         return LDAP_UNWILLING_TO_PERFORM;
 858                 }
 859         } else {
 860                 /* Initial request.  Initialize state. */
 861                 op->o_pagedresults_state.ps_cookie = 0;
 862                 op->o_pagedresults_state.ps_id = NOID;
 863         }
 864
 865         op->o_pagedresults_size = size;
 866
 867         op->o_pagedresults = ctrl->ldctl_iscritical
 868                 ? SLAP_CRITICAL_CONTROL
 869                 : SLAP_NONCRITICAL_CONTROL;
 870
 871         return LDAP_SUCCESS;
 872 }
 873 #endif
 874
 875 int parseValuesReturnFilter (
 876         Operation *op,
 877         SlapReply *rs,
 878         LDAPControl *ctrl )
 879 {
 880         BerElement      *ber;
 881         struct berval   fstr = { 0, NULL };
 882         const char *err_msg = "";
 883
 884         if ( op->o_valuesreturnfilter != SLAP_NO_CONTROL ) {
 885                 rs->sr_text = "valuesReturnFilter control specified multiple times";
 886                 return LDAP_PROTOCOL_ERROR;
 887         }
 888
 889         if ( ctrl->ldctl_value.bv_len == 0 ) {
 890                 rs->sr_text = "valuesReturnFilter control value is empty (or absent)";
 891                 return LDAP_PROTOCOL_ERROR;
 892         }
 893
 894         ber = ber_init( &(ctrl->ldctl_value) );
 895         if (ber == NULL) {
 896                 rs->sr_text = "internal error";
 897                 return LDAP_OTHER;
 898         }
 899
 900         rs->sr_err = get_vrFilter( op, ber, &(op->vrFilter), &rs->sr_text);
 901
 902         if( rs->sr_err != LDAP_SUCCESS ) {
 903                 if( rs->sr_err == SLAPD_DISCONNECT ) {
 904                         rs->sr_err = LDAP_PROTOCOL_ERROR;
 905                         send_ldap_disconnect( op, rs );
 906                         rs->sr_err = SLAPD_DISCONNECT;
 907                 } else {
 908                         send_ldap_result( op, rs );
 909                 }
 910                 if( op->vrFilter != NULL) vrFilter_free( op, op->vrFilter );
 911
 912         }
 913 #ifdef LDAP_DEBUG
 914         else {
 915                 vrFilter2bv( op, op->vrFilter, &fstr );
 916         }
 917
 918 #ifdef NEW_LOGGING
 919         LDAP_LOG( OPERATION, ARGS,
 920                 "parseValuesReturnFilter: conn %d       vrFilter: %s\n",
 921                 op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 );
 922 #else
 923         Debug( LDAP_DEBUG_ARGS, "       vrFilter: %s\n",
 924                 fstr.bv_len ? fstr.bv_val : "empty", 0, 0 );
 925 #endif
 926         op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx );
 927 #endif
 928
 929         op->o_valuesreturnfilter = ctrl->ldctl_iscritical
 930                 ? SLAP_CRITICAL_CONTROL
 931                 : SLAP_NONCRITICAL_CONTROL;
 932
 933         rs->sr_err = LDAP_SUCCESS;
 934         return LDAP_SUCCESS;
 935 }
 936
 937 #ifdef LDAP_CONTROL_SUBENTRIES
 938 static int parseSubentries (
 939         Operation *op,
 940         SlapReply *rs,
 941         LDAPControl *ctrl )
 942 {
 943         if ( op->o_subentries != SLAP_NO_CONTROL ) {
 944                 rs->sr_text = "subentries control specified multiple times";
 945                 return LDAP_PROTOCOL_ERROR;
 946         }
 947
 948         /* FIXME: should use BER library */
 949         if( ( ctrl->ldctl_value.bv_len != 3 )
 950                 && ( ctrl->ldctl_value.bv_val[0] != 0x01 )
 951                 && ( ctrl->ldctl_value.bv_val[1] != 0x01 ))
 952         {
 953                 rs->sr_text = "subentries control value encoding is bogus";
 954                 return LDAP_PROTOCOL_ERROR;
 955         }
 956
 957         op->o_subentries = ctrl->ldctl_iscritical
 958                 ? SLAP_CRITICAL_CONTROL
 959                 : SLAP_NONCRITICAL_CONTROL;
 960
 961         op->o_subentries_visibility = (ctrl->ldctl_value.bv_val[2] != 0x00);
 962
 963         return LDAP_SUCCESS;
 964 }
 965 #endif
 966
 967 #ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
 968 static int parsePermissiveModify (
 969         Operation *op,
 970         SlapReply *rs,
 971         LDAPControl *ctrl )
 972 {
 973         if ( op->o_permissive_modify != SLAP_NO_CONTROL ) {
 974                 rs->sr_text = "permissiveModify control specified multiple times";
 975                 return LDAP_PROTOCOL_ERROR;
 976         }
 977
 978         if ( ctrl->ldctl_value.bv_len ) {
 979                 rs->sr_text = "permissiveModify control value not empty";
 980                 return LDAP_PROTOCOL_ERROR;
 981         }
 982
 983         op->o_permissive_modify = ctrl->ldctl_iscritical
 984                 ? SLAP_CRITICAL_CONTROL
 985                 : SLAP_NONCRITICAL_CONTROL;
 986
 987         return LDAP_SUCCESS;
 988 }
 989 #endif
 990
 991 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
 992 static int parseDomainScope (
 993         Operation *op,
 994         SlapReply *rs,
 995         LDAPControl *ctrl )
 996 {
 997         if ( op->o_domain_scope != SLAP_NO_CONTROL ) {
 998                 rs->sr_text = "domainScope control specified multiple times";
 999                 return LDAP_PROTOCOL_ERROR;
1000         }
1001
1002         if ( ctrl->ldctl_value.bv_len ) {
1003                 rs->sr_text = "domainScope control value not empty";
1004                 return LDAP_PROTOCOL_ERROR;
1005         }
1006
1007         op->o_domain_scope = ctrl->ldctl_iscritical
1008                 ? SLAP_CRITICAL_CONTROL
1009                 : SLAP_NONCRITICAL_CONTROL;
1010
1011         return LDAP_SUCCESS;
1012 }
1013 #endif
1014
1015 #ifdef LDAP_CLIENT_UPDATE
1016 static int parseClientUpdate (
1017         Operation *op,
1018         SlapReply *rs,
1019         LDAPControl *ctrl )
1020 {
1021         ber_tag_t tag;
1022         BerElement *ber;
1023         ber_int_t type;
1024         ber_int_t interval;
1025         ber_len_t len;
1026         struct berval scheme = { 0, NULL };
1027         struct berval cookie = { 0, NULL };
1028
1029         if ( op->o_clientupdate != SLAP_NO_CONTROL ) {
1030                 rs->sr_text = "LCUP client update control specified multiple times";
1031                 return LDAP_PROTOCOL_ERROR;
1032         }
1033
1034 #ifdef LDAP_SYNC
1035         if ( op->o_sync != SLAP_NO_CONTROL ) {
1036                 rs->sr_text = "LDAP Client Update and Sync controls used together";
1037                 return LDAP_PROTOCOL_ERROR;
1038         }
1039 #endif
1040
1041         if ( ctrl->ldctl_value.bv_len == 0 ) {
1042                 rs->sr_text = "LCUP client update control value is empty (or absent)";
1043                 return LDAP_PROTOCOL_ERROR;
1044         }
1045
1046         /* Parse the control value
1047          *      ClientUpdateControlValue ::= SEQUENCE {
1048          *              updateType      ENUMERATED {
1049          *                                      synchronizeOnly {0},
1050          *                                      synchronizeAndPersist {1},
1051          *                                      persistOnly {2} },
1052          *              sendCookieInterval INTEGER OPTIONAL,
1053          *              cookie          LCUPCookie OPTIONAL
1054          *      }
1055          */
1056
1057         ber = ber_init( &ctrl->ldctl_value );
1058         if( ber == NULL ) {
1059                 rs->sr_text = "internal error";
1060                 return LDAP_OTHER;
1061         }
1062
1063         if ( (tag = ber_scanf( ber, "{i" /*}*/, &type )) == LBER_ERROR ) {
1064                 rs->sr_text = "LCUP client update control : decoding error";
1065                 return LDAP_PROTOCOL_ERROR;
1066         }
1067
1068         switch( type ) {
1069         case LDAP_CUP_SYNC_ONLY:
1070                 type = SLAP_LCUP_SYNC;
1071                 break;
1072         case LDAP_CUP_SYNC_AND_PERSIST:
1073                 type = SLAP_LCUP_SYNC_AND_PERSIST;
1074                 break;
1075         case LDAP_CUP_PERSIST_ONLY:
1076                 type = SLAP_LCUP_PERSIST;
1077                 break;
1078         default:
1079                 rs->sr_text = "LCUP client update control : unknown update type";
1080                 return LDAP_PROTOCOL_ERROR;
1081         }
1082
1083         if ( (tag = ber_peek_tag( ber, &len )) == LBER_DEFAULT ) {
1084                 rs->sr_text = "LCUP client update control : decoding error";
1085                 return LDAP_PROTOCOL_ERROR;
1086         }
1087
1088         if ( tag == LDAP_CUP_TAG_INTERVAL ) {
1089                 if ( (tag = ber_scanf( ber, "i", &interval )) == LBER_ERROR ) {
1090                         rs->sr_text = "LCUP client update control : decoding error";
1091                         return LDAP_PROTOCOL_ERROR;
1092                 }
1093
1094                 if ( interval <= 0 ) {
1095                         /* server chooses interval */
1096                         interval = LDAP_CUP_DEFAULT_SEND_COOKIE_INTERVAL;
1097                 }
1098
1099         } else {
1100                 /* server chooses interval */
1101                 interval = LDAP_CUP_DEFAULT_SEND_COOKIE_INTERVAL;
1102         }
1103
1104         if ( (tag = ber_peek_tag( ber, &len )) == LBER_DEFAULT ) {
1105                 rs->sr_text = "LCUP client update control : decoding error";
1106                 return LDAP_PROTOCOL_ERROR;
1107         }
1108
1109         if ( tag == LDAP_CUP_TAG_COOKIE ) {
1110                 if ( (tag = ber_scanf( ber, /*{*/ "{mm}}",
1111                         &scheme, &cookie )) == LBER_ERROR )
1112                 {
1113                         rs->sr_text = "LCUP client update control : decoding error";
1114                         return LDAP_PROTOCOL_ERROR;
1115                 }
1116         }
1117
1118         /* TODO : Cookie Scheme Validation */
1119 #if 0
1120         if ( lcup_cookie_scheme_validate(scheme) != LDAP_SUCCESS ) {
1121                 rs->sr_text = "Unsupported LCUP cookie scheme";
1122                 return LCUP_UNSUPPORTED_SCHEME;
1123         }
1124
1125         if ( lcup_cookie_validate(scheme, cookie) != LDAP_SUCCESS ) {
1126                 rs->sr_text = "Invalid LCUP cookie";
1127                 return LCUP_INVALID_COOKIE;
1128         }
1129 #endif
1130
1131         ber_dupbv( &op->o_clientupdate_state, &cookie );
1132
1133         (void) ber_free( ber, 1 );
1134
1135         op->o_clientupdate_type = (char) type;
1136         op->o_clientupdate_interval = interval;
1137
1138         op->o_clientupdate = ctrl->ldctl_iscritical
1139                 ? SLAP_CRITICAL_CONTROL
1140                 : SLAP_NONCRITICAL_CONTROL;
1141
1142         return LDAP_SUCCESS;
1143 }
1144 #endif
1145
1146 #ifdef LDAP_SYNC
1147 static int parseLdupSync (
1148         Operation *op,
1149         SlapReply *rs,
1150         LDAPControl *ctrl )
1151 {
1152         ber_tag_t tag;
1153         BerElement *ber;
1154         ber_int_t mode;
1155         ber_len_t len;
1156         struct berval cookie = { 0, NULL };
1157
1158         if ( op->o_sync != SLAP_NO_CONTROL ) {
1159                 rs->sr_text = "LDAP Sync control specified multiple times";
1160                 return LDAP_PROTOCOL_ERROR;
1161         }
1162
1163 #ifdef LDAP_CLIENT_UPDATE
1164         if ( op->o_clientupdate != SLAP_NO_CONTROL ) {
1165                 rs->sr_text = "LDAP Sync and LDAP Client Update controls used together";
1166                 return LDAP_PROTOCOL_ERROR;
1167         }
1168 #endif
1169
1170         if ( ctrl->ldctl_value.bv_len == 0 ) {
1171                 rs->sr_text = "LDAP Sync control value is empty (or absent)";
1172                 return LDAP_PROTOCOL_ERROR;
1173         }
1174
1175         /* Parse the control value
1176          *      syncRequestValue ::= SEQUENCE {
1177          *              mode   ENUMERATED {
1178          *                      -- 0 unused
1179          *                      refreshOnly             (1),
1180          *                      -- 2 reserved
1181          *                      refreshAndPersist       (3)
1182          *              },
1183          *              cookie  syncCookie OPTIONAL
1184          *      }
1185          */
1186
1187         ber = ber_init( &ctrl->ldctl_value );
1188         if( ber == NULL ) {
1189                 rs->sr_text = "internal error";
1190                 return LDAP_OTHER;
1191         }
1192
1193         if ( (tag = ber_scanf( ber, "{i" /*}*/, &mode )) == LBER_ERROR ) {
1194                 rs->sr_text = "LDAP Sync control : mode decoding error";
1195                 return LDAP_PROTOCOL_ERROR;
1196         }
1197
1198         switch( mode ) {
1199         case LDAP_SYNC_REFRESH_ONLY:
1200                 mode = SLAP_SYNC_REFRESH;
1201                 break;
1202         case LDAP_SYNC_REFRESH_AND_PERSIST:
1203                 mode = SLAP_SYNC_REFRESH_AND_PERSIST;
1204                 break;
1205         default:
1206                 rs->sr_text = "LDAP Sync control : unknown update mode";
1207                 return LDAP_PROTOCOL_ERROR;
1208         }
1209
1210         tag = ber_peek_tag( ber, &len );
1211
1212         if ( tag == LDAP_SYNC_TAG_COOKIE ) {
1213                 if (( ber_scanf( ber, /*{*/ "m}",
1214                                         &cookie )) == LBER_ERROR ) {
1215                         rs->sr_text = "LDAP Sync control : cookie decoding error";
1216                         return LDAP_PROTOCOL_ERROR;
1217                 }
1218         } else {
1219                 if (( ber_scanf( ber, /*{*/ "}")) == LBER_ERROR ) {
1220                         rs->sr_text = "LDAP Sync control : decoding error";
1221                         return LDAP_PROTOCOL_ERROR;
1222                 }
1223                 cookie.bv_len = 0;
1224                 cookie.bv_val = NULL;
1225         }
1226
1227         /* TODO : Cookie Scheme Validation */
1228 #if 0
1229         if ( lcup_cookie_scheme_validate(scheme) != LDAP_SUCCESS ) {
1230                 rs->sr_text = "Unsupported LCUP cookie scheme";
1231                 return LCUP_UNSUPPORTED_SCHEME;
1232         }
1233
1234         if ( lcup_cookie_validate(scheme, cookie) != LDAP_SUCCESS ) {
1235                 rs->sr_text = "Invalid LCUP cookie";
1236                 return LCUP_INVALID_COOKIE;
1237         }
1238 #endif
1239
1240         ber_dupbv( &op->o_sync_state, &cookie );
1241
1242         (void) ber_free( ber, 1 );
1243
1244         op->o_sync_mode = (char) mode;
1245
1246         op->o_sync = ctrl->ldctl_iscritical
1247                 ? SLAP_CRITICAL_CONTROL
1248                 : SLAP_NONCRITICAL_CONTROL;
1249
1250         return LDAP_SUCCESS;
1251 }
1252 #endif